MONDAY, April 16, 2018 -- Drugs designed to trigger a patient's immune system may help boost survival for those battling lung cancer, two new studies found.

The first study found that when the immunotherapy drug Keytruda (pembrolizumab) was combined with standard chemotherapy, the chance that a patient would die within the next 11 months plummeted by more than 50 percent, compared with being treated with chemo alone.

THURSDAY, March 29, 2018 -- Ovarian cancer can be tough to beat, particularly if it returns after initial treatment, but new research offers a glimmer of hope.

One study found that a new targeted "immunotherapy" to treat ovarian cancer that has come back looked promising in a small, early trial. Meanwhile, a second team of researchers discovered what appears to be a marker for patients who will do better after treatment overall.

WEDNESDAY, Feb. 28, 2018 -- Bacteria that commonly live on your skin's surface just might be protecting you from cancer.

Researchers from the University of California, San Diego, said that one particular strain of bacteria appears to help ward off skin cancer by suppressing the spread of tumor cells triggered by over-exposure to the sun's ultraviolet (UV) rays.